Roland Entschel

Person

Basel, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Heterocyclyl-azo-phenyl dyes having a cationic group linked through...
- Patent number 4,225,490
- Issue date Sep 30, 1980
- Sandoz Ltd.
- Roland Entschel
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Cationic 5-arylazo-6-hydroxypyridone-2 dyes
- Patent number 4,213,898
- Issue date Jul 22, 1980
- Sandoz Ltd.
- Roland Entschel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dyes having a 6-hydroxy-pyridone-2 coupling component radical h...
- Patent number 4,140,684
- Issue date Feb 20, 1979
- Fidelity Union Trust Company, Executive Trustee Under the Sandoz Trust
- Hermann Burkhard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diazo compounds containing two optionally substituted-5-arylazo-6-h...
- Patent number 4,083,842
- Issue date Apr 11, 1978
- Sandoz Ltd.
- Hermann Burkhard
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
1-Aminoalkylene-3-cyano-4-methyl-6-hydroxy-1,2-dihydropyrid-2-ones
- Patent number 4,032,532
- Issue date Jun 28, 1977
- Sandoz Ltd.
- Hermann Burkhard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-Arylazo-6-hydroxy-pyridone-2 dyes containing an amino or substitu...
- Patent number 3,998,803
- Issue date Dec 21, 1976
- Fidelity Union Trust Company, Executive Trustee Under the Sandoz Trust
- Hermann Burkhard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of concentrated solutions of cationic az...
- Patent number 3,956,271
- Issue date May 11, 1976
- Sandoz Ltd.
- Ulrich Blass
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Roland Entschel

Person

Patents Grantslast 30 patents

Heterocyclyl-azo-phenyl dyes having a cationic group linked through...

Cationic 5-arylazo-6-hydroxypyridone-2 dyes

Azo dyes having a 6-hydroxy-pyridone-2 coupling component radical h...

Diazo compounds containing two optionally substituted-5-arylazo-6-h...

1-Aminoalkylene-3-cyano-4-methyl-6-hydroxy-1,2-dihydropyrid-2-ones

5-Arylazo-6-hydroxy-pyridone-2 dyes containing an amino or substitu...

Process for the production of concentrated solutions of cationic az...